The Aztecs saw only godly ire in the fire and smoke spewing from the icy peaks around them, but the first climbers and scientists to visit Mexico's fire-breathing mountains recognized a unique string of 3,000 volcanoes piercing the landscape — of which fourteen are still considered active today. Even tourists who don't know a carabiner from a cabana will find that the heady cocktail of magma and margaritas makes Mexico's volcanoes worth a visit. Here are some of the most remarkable, best visited in the dry season between November and March.